Nymphal characters Siphlonurus dongxi Li & Tong, sp. nov. A posterior part of abdomen (dorsal view) B posterior part of abdomen of male (ventral view) C posterior part of abdomen of female (ventral view) D enlarged of caudal filaments.

 
 
  Part of: Yang K, Li X-F, Tong X-L, Cai Q-H (2023) A new species of Siphlonurus Eaton, 1868 (Ephemeroptera, Siphlonuridae) from Yunnan, China. ZooKeys 1166: 121-139. https://doi.org/10.3897/zookeys.1166.102847